赖曼极限;赖曼线系限

美国国家公共电台 NPR In Utah, How You Tread Through This Canyon Matters

SCOTT SIMON, HOST: There's a truce in Utah's Canyon Country between preservationists and off roaders in Recapture Canyon, which is prized for its sensitive Native American cultural sites. And as NPR's Kirk Siegler reports, the agreement there could r

发表于:2018-12-02 / 阅读(65) / 评论(0)

2017年NPR美国国家公共电台4月

Information Overload

Information Overload By Robert S. Boyd Knight Ridder Newspapers. Distributed by Tribune Media Services International. Are you overwhelmed by the amount of information these days? 1 Ever feel overwhelm

发表于:2018-12-19 / 阅读(57) / 评论(0)

彭蒙惠英语

科技公司在非洲挖掘和培训软件开发人员

AS IT IS 2016-07-17 Company Finds, Trains Technology Workers in Africa 科技公司在非洲挖掘和培训软件开发人员 A new Nigerian technology company plans to produce some of the best software developers in the world. The company is based i

发表于:2019-01-12 / 阅读(49) / 评论(0)

2016年VOA慢速英语(七)月

VOA标准英语2012--US Military Sexual Assault Victims Heal, Discuss Policy

US Military Sexual Assault Victims Heal, Discuss Policy Jennifer Rivera can relax when she's with her parrot Janie. The flashbacks lessen. The panic attacks subside. She says her nightmare began when she was raped while on military duty in South Kore

发表于:2019-01-13 / 阅读(30) / 评论(0)

VOA标准英语2012年(五月)

VOA常速英语2008年-US Urges Turkey to Limit Iraq Incursion

By David Gollust State Department 22 February 2008 The United States Friday called on Turkey to limit the scope of its ground incursion in northern Iraq and bring it to an early conclusion. The operation is apparently the biggest of several recent Tu

发表于:2019-01-31 / 阅读(60) / 评论(0)

VOA常速英语2008年（二月）

学个词Learn a Word 第1215期 age limit

今天我们要学的词是age limit。 Age limit, 年龄限制。社交网站脸书网并不是任何人都能注册帐户的。 Facebook enforces an age limit of 13 years or older to register an account, 脸谱网规定，只有满13岁的人才能注

发表于:2019-02-02 / 阅读(54) / 评论(0)

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